Spline modeling gone went against me

I'm modeling an alien head with splines, but I can't weld two vertices together. It's the two vertices that meet on top of the head after I created the outline of the front and side. One of the vertices is "first", and thereby marked as a square. Is it so that I can't weld these vertices without setting another one to first ??? I should post some images here, but server is down till tomorrow. Maybe someone understood. There are many people here who has done this many times before. BTW: Modeling a head using splines is harder than I thought.

Well, in the end, welding isn't all that important - fusing will do the job just fine!

But, if you really insist on welding, and the vertices refuse, try this:

turn on your snap, set it to vertices (only)Then move the rebel vertice around a bit and bring it back so it snaps to whatever vertice you want it to weld to - it'll ask you "Weld coincident end-points?"Say yes, but make sure they don't coincide with any other verices or you'll end up with a big useless lump of vertices where your spline cage used to be (so undo, hehe).

This will only work if our weld threshold (under Edit Spline in Modify) is set higher than zero (default is 0.1). So, obviously, if those 'Weld coincident end-points?' popus start to annoy you, lower it to zero.

So, not welding won't mess up when I add the surface modifier? I thought the cage had to be "closed".. Well, actually after doing some hard thinking and planning, I &nbsp;realized I have to do some weeks with planning.

Fuse is fine, it won't mess up your surface - try this, this is how I work: Make a clone of your spline cage as a Reference, amd apply the Surface modifier to the reference -then as you work on your original spline cage, the reference, now in a mesh, will update itself as you work. Nothing is simpler!